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Jasper Therapeutics Announces Completion of Enrollment in First Cohort of Phase 2 Renal Basket Study Evaluating Vensobafusp Alfa (KP104) in IgA Nephropathy

$JSPRPress releaseOct 15, 2026, 8:00 AM ETRead the release

Jasper Therapeutics completed enrollment of the 18-patient IgA nephropathy cohort of its Phase 2 renal basket study of vensobafusp alfa (KP104), a first-in-class bifunctional complement inhibitor. Initial interim data from the IgAN cohort are expected by year-end 2026, and the company has accelerated an FSGS expansion cohort with first patient dosing anticipated in Q1 2027.

Key figures

Drug Name
vensobafusp alfa (KP104)
Phase Of Trial
Phase 2
Dosing cohorts
Q2W (n=6), Q4W (n=6), Q8W (n=6) subcutaneous maintenance
Interim data timing
by year-end 2026
Igan patients enrolled
18
Fsgs first patient dosing
Q1 2027

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